Question

Which scale factors produce an expansion under a dilation of the original image?

Select each correct answer.


8

0.7

0.8

7

Answer 1

7

Explanation:

Answer 2

8 and 7

Explanation:

For a dilation to produce a larger picture than the original, the scale factor must be greater than 1. I assume an expansion means a larger picture, so 7 and 8 fit this criteria.

For future reference, for it to be smaller than the original, the scale factor must be between 0 and 1. That means that 0.8 and 0.7 will both produce images that are smaller than the original.